technology in the united states could be able to help blind people to see again. >> hello and welcome to the look at world weather. we'll start in the americas and across south america we've seen heavy showers across peru and bolivia, towards paraguy and southern brazil. forecast suggests we could see heavy downpours, a wet one in buenos aires. further north a scattering of showers across the amazon basin a move towards venezuela and colombia scattering showers here. as we move through into the caribbean, we have a trough of low pressure extending across the region so we are likely to see cloudy skies for jamaica and one or two heavy downpours particularly havana and cuba, 19 degrees. showers expected for panama and costa rica. much of mexico, dry and fine, 24 degrees expected in mexico city. in north america, cold in the northeast as temperatures at or below freezing certainly for eastern parts of canada looking cold. towards the west, snow across the rockies, dry further south with highs of 21 in l.a. >> welcome back.